Home / 69,859.47-96,406.08-38,028.61

Finding the Fourth Proportional to 69,859.47, 96,406.08 and 38,028.61

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Solution

The fourth proportional to 69,859.47, 96,406.08 and 38,028.61 is: 52,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,859.47 : 96,406.08 = 38,028.61 : x
  2. Step 2: Convert to fraction form
    69,859.47/96,406.08 = 38,028.61/x
  3. Step 3: Cross multiply
    69,859.47x = 96,406.08 × 38,028.61
  4. Step 4: Simplify right side
    69,859.47x = 3,666,188,735.92
  5. Step 5: Solve for x
    x = 3,666,188,735.92/69,859.47
  6. Step 6: Final answer
    x = 52,479.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.